CN207662747U - Test the CYCLIC LOADING system of pile-soil interaction power in foundation construction construction - Google Patents
Test the CYCLIC LOADING system of pile-soil interaction power in foundation construction construction Download PDFInfo
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- CN207662747U CN207662747U CN201720836225.XU CN201720836225U CN207662747U CN 207662747 U CN207662747 U CN 207662747U CN 201720836225 U CN201720836225 U CN 201720836225U CN 207662747 U CN207662747 U CN 207662747U
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- 239000002689 soil Substances 0.000 title claims abstract description 26
- 230000003993 interaction Effects 0.000 title claims abstract description 12
- 238000012360 testing method Methods 0.000 title claims description 39
- 125000004122 cyclic group Chemical group 0.000 claims abstract description 48
- 229910000831 Steel Inorganic materials 0.000 claims description 42
- 239000010959 steel Substances 0.000 claims description 42
- NJPPVKZQTLUDBO-UHFFFAOYSA-N novaluron Chemical compound C1=C(Cl)C(OC(F)(F)C(OC(F)(F)F)F)=CC=C1NC(=O)NC(=O)C1=C(F)C=CC=C1F NJPPVKZQTLUDBO-UHFFFAOYSA-N 0.000 claims description 36
- 239000011521 glass Substances 0.000 claims description 6
- 238000006073 displacement reaction Methods 0.000 claims description 5
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- 239000000463 material Substances 0.000 claims 2
- 238000002474 experimental method Methods 0.000 abstract description 12
- 230000002457 bidirectional effect Effects 0.000 abstract description 5
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- 238000010248 power generation Methods 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
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- Investigating Strength Of Materials By Application Of Mechanical Stress (AREA)
Abstract
The CYCLIC LOADING system of pile-soil interaction power in foundation construction construction is tested, including cyclic load loading device, chamber, drain control unit, vertical CYCLIC LOADING corollary apparatus, horizontal cyclic load corollary apparatus and horizontal cyclic load corollary apparatus.The utility model is applied widely, at low cost, convenient for disassembly and assembly, experiment process is easy to operate, the limitation of vertical horizontal direction load can only individually be carried out by breaching existing experimental rig, vertical and horizontal bidirectional cyclic load loading condition can also be simulated, and can consider the influence of soil moisture content variation and horizontal whirl-sprayed pile angular separation.
Description
Technical field
The utility model is related to a kind of model test loading devices, make more particularly, to stake soil in test foundation construction construction
CYCLIC LOADING system firmly.
Background technology
With the aggravation of world energy sources crisis and problem of environmental pollution, the utilization of new energy are extensive by countries in the world
Concern, although Oversea wind power generation starts late, but because storage capacity it is abundant, it is widely distributed, developed and not convenient for extensive concentrate
The advantage of land occupation resource, at home and abroad development was swift and violent in recent years.The construction of China's wind power plant will greatly alleviate China east
The energy crisis in portion area optimizes electric network composition, is the important method for realizing sustainable development, has great strategic significance.
At sea in wind power engineering, base form has single-pile foundation, more pile foundations, monotubular basis, multi-bucket foundation, answers
Close basis and buoyant foundation.Superstructure will undertake wind, wave etc. within the runtime has apparent periodic cyclic load.
Wind power foundation is in the vertical and water that the gravity loads such as wind power tower and Fan Equipment, blower fan work load and wind load generate
Under flat cyclic load collective effect, easily generates and add up sedimentation and deformation, if this deformation cannot be controlled effectively, it will is tight
Ghost image rings the normal operation and safe operation of wind turbine.It finds rational method prediction and control is vertical and horizontal whirl-sprayed pile acts on
The bearing capacity of lower wind power foundation and accumulated deformation are of great significance to the normal operation and safety that ensure these engineerings.
For the basis under the effect of vertical and horizontal whirl-sprayed pile, the construction of wind power foundation faces two problems：(1) it recycles
The accumulated deformation prediction of wind power foundation under load action；(2) under cyclic load, the determination of the bearing capacity of wind power foundation.It is aobvious
So above two aspect also lacks more reliable analysis method so far.To make up the limitation of theory analysis, need to combine interior
Model test analyzes important engineering, and key technology therein is how analog basis bears vertical cyclic load, level
The effect of cyclic load under cyclic load, bidirectional circulating load and different level angle, and asked at present it is not yet found that closing this
The report of topic.
Utility model content
The purpose of this utility model is exactly to provide a kind of scope of application to overcome the problems of the above-mentioned prior art
Extensively, the CYCLIC LOADING system of pile-soil interaction power during experiment process test foundation construction easy to operate, at low cost, convenient for disassembly and assembly is constructed
System.
The purpose of this utility model can be achieved through the following technical solutions：Test pile-soil interaction in foundation construction construction
The CYCLIC LOADING system of power, including cyclic load loading device, chamber, drain control unit, vertical CYCLIC LOADING are with suit
It sets, horizontal cyclic load corollary apparatus A and horizontal cyclic load corollary apparatus B；The cyclic load loading device includes pedestal
A, pedestal B, motor, wheel disc, threaded post and CYCLIC LOADING supporting rack；Motor is separately fixed on pedestal A and pedestal B, wheel disc
On motor, threaded post is twisted solid on wheel disc, and pedestal A and pedestal B are respectively provided at a left side for CYCLIC LOADING fixed pulley holder
Right both sides；The chamber tests embedding pile foundation model in the soil body used for loading the experiment soil body used；The draining control
Device processed includes the preset osculum of drain bar and chamber surrounding lower end of chamber inner surface；The vertical CYCLIC LOADING
Corollary apparatus includes spring, fixed pulley, pull pressure sensor and counterweight load bar, when carrying out vertical CYCLIC LOADING simulation test,
Both ends of the spring connecting steel wire ropes, steel wire rope one end are directly connect with the threaded post on wheel disc, and the other end bypasses fixed pulley, passes through drawing
Pressure sensor is vertically connected with counterweight load bar；The horizontal cyclic load corollary apparatus A includes spring, fixed pulley, tension and compression
Force snesor；Both ends of the spring connecting steel wire ropes, steel wire rope one end are directly connect with the threaded post on wheel disc, and the other end is around fixed sliding
Wheel, is connected by pull pressure sensor with the top level of pile foundation model.
The course of work of this pilot system：It is loaded in chamber and tests the soil body used, embedding experiment pile foundation in the soil body
Model can carry out the model test of single pile, a clump of piles, bucket foundation and pile foundation, in experiment on wheel disc threaded post different positions
Corresponding different load amplitude is set, the different stalls of motor correspond to different load cycle-indexes.Vertical CYCLIC LOADING model examination
When testing, the threaded post on steel wire rope one end connection wheel disc on the right side of spring is connected with counterweight load bar, according to design cycle amplitude
A certain size the counterweight of counterweight on counterweight load bar, then adjusting wheel disc makes the registration and counterweight and counterweight of pull pressure sensor
Load bar weight is identical, and at this moment pile foundation model top loading load is zero, and loading frequency is then arranged, starts motor, counterweight and counterweight
The weight of load bar is the cyclic load amplitude on pile foundation model top, when experiment, passes through the biography of collector and pile foundation model
Sensor connects, and is connect with computer, you can pile foundation model load metamorphism data during the vertical CYCLIC LOADING of instant recording.Water
When flat cyclic loading test, gets steel wire rope one end and bypass horizontal cyclic load fixed pulley, pass through pull pressure sensor and stake
Basic top is connected, the design of CYCLIC LOADING amplitude, and data acquisition principle is identical as vertical cyclic loading test.Bidirectional circulating adds
When carrying experiment, the same position of the wire rope rope and the same threaded post of horizontal cyclic load and vertical CYCLIC LOADING, remaining is wanted
Ask and be arranged respectively according to horizontal cyclic load and vertical CYCLIC LOADING, the design of CYCLIC LOADING amplitude, data acquisition principle with it is horizontal,
Vertical cyclic loading test is identical.When horizontal direction difference angle cyclic loading test, CYCLIC LOADING device and horizontal cyclic add
It carries corollary apparatus A and is located at the right side for being fixed on chamber, CYCLIC LOADING device and horizontal cyclic load corollary apparatus B according to angle
β（β is pedestal A and the angle of the line d of the line and pedestal B and pile foundation of pile foundation, and 0o<β<180o）It places, remaining requirement
According to horizontal single-headed CYCLIC LOADING, the design of CYCLIC LOADING amplitude, data acquisition principle is identical as horizontal single-headed cyclic loading test.
Compared with prior art, the utility model has the following advantages and advantageous effect：The utility model is applied widely,
It is at low cost, convenient for disassembly and assembly, experiment process is easy to operate, breach existing experimental rig and can only individually carry out vertical, horizontal direction and add
The limitation of load, additionally it is possible to simulate vertical and horizontal bidirectional cyclic load loading condition, and can consider soil moisture content variation and water
The influence of flat cyclic load angular separation.
Description of the drawings
Fig. 1 is the utility model embodiment dimensional structure diagram；
Fig. 2 is the utility model embodiment overlooking structure diagram；
Fig. 3 is the utility model embodiment dimensional structure diagram；
Fig. 4 is the utility model embodiment overlooking structure diagram；
Fig. 5 is the utility model embodiment dimensional structure diagram；
Fig. 6 is the utility model embodiment dimensional structure diagram；
Fig. 7 is the utility model embodiment dimensional structure diagram；
Fig. 8 is the utility model embodiment dimensional structure diagram；
Fig. 9 is the three-dimensional structure diagram of the utility model CYCLIC LOADING supporting rack.
Chamber 1；Foil gauge 2；Fixed pulley 3；Pile foundation model 4；Displacement sensor 5；CYCLIC LOADING supporting rack 6；It draws
Pressure sensor 7；Counterweight load bar 8；Spring 9；Motor 10；Wheel disc 11；Threaded post 12；Pedestal A13；Pedestal B 14；Osculum
15。
Specific implementation mode
The utility model is described in detail in the following with reference to the drawings and specific embodiments.
Test the CYCLIC LOADING system of pile-soil interaction power in foundation construction construction, including cyclic load loading device, experiment
Case 1, drain control unit, vertical CYCLIC LOADING corollary apparatus, horizontal cyclic load corollary apparatus A and horizontal cyclic load are mating
Device B.
Cyclic load loading device includes pedestal A13, pedestal B14, motor 10, wheel disc 11, threaded post 12, CYCLIC LOADING use
Supporting rack 6, motor 10 are separately fixed on pedestal A13 and pedestal B14, and wheel disc 11 is mounted on motor 10, and threaded post 12 is twisted solid
On wheel disc 11, pedestal A13 and pedestal B14 are respectively used to fixedly secured motor 10.
Chamber 1 tests embedding pile foundation model 4 in the soil body used for loading the experiment soil body used.
Vertical CYCLIC LOADING corollary apparatus includes spring 9, fixed pulley 3, pull pressure sensor 7, counterweight load bar 8, is carried out
When vertical CYCLIC LOADING simulation test, 9 both ends connecting steel wire ropes of spring, steel wire rope one end directly with the threaded post 12 on wheel disc 11
Connection, the other end bypass fixed pulley 3, are vertically connected with counterweight load bar 8 by pull pressure sensor 7.
Horizontal cyclic load corollary apparatus A includes spring 9, fixed pulley 3, pull pressure sensor 7, carries out horizontal cyclic load
When simulation test, 9 both ends connecting steel wire ropes of spring, steel wire rope one end is directly connect with the threaded post 12 on wheel disc 11, the other end
Around fixed pulley 3, it is connected with the top level of pile foundation model 4 by pull pressure sensor 7.
Pedestal A13 includes the support of positioning screw hole, level board, cross bar and the montant support that motor 10 is fixed on to pedestal A13.
Level board is long 800mm, wide 500mm, the steel plate of thick 10mm, and motor 10 is fixed with level board using 6mm bolts, pedestal A13's
The support of four montants use the square steel tube making that the length of side of high 400mm is 40mm, four cross-braces use 4mm thickness 680mm,
The angle steel of 380mm.
Pedestal B14 includes the support of positioning screw hole, level board, cross bar and the montant support that motor 10 is fixed on to pedestal B14.
Level board is long 800mm, wide 500mm, the steel plate of thick 10mm, and motor 10 is fixed with level board using 6mm bolts, pedestal B14's
The support of four montants use the square steel tube making that the length of side of high 1200mm is 40mm, four cross-braces use 4mm thickness 680mm,
The angle steel of 380mm.
CYCLIC LOADING supporting rack 6 includes four supporting legs stood on ground, four cross for being fixed on four supporting leg lower ends
Bar, four braces, the CYCLIC LOADING fixed pulley 3 for being fixed on four supporting leg upper ends are equipped with diagonal brace between cross bar and montant.Four branch
The length of side that leg is high 2000mm symmetrically arranged on the left and the right is 40mm square steel tubes, and square steel tube spacing 700mm is fixed using 6mm bolts
On the angle steel skeleton of chamber 1, two cross bars use the length of side of long 700mm for 40mm square steel tubes, and diagonal brace is using long 800mm's
The length of side is 40mm square steel tubes, and the length of side that brace is long 450mm is 40mm square steel tubes.
Chamber 1 includes angle steel skeleton, organic glass and reinforcing angle, and the left and right two sides of angle steel skeleton passes through organic glass
Sealing moulding, it is aqueous that the surrounding setting drain bar control soil body is arranged in the intermediate position of angle steel skeleton, chamber 1 in reinforcing angle
Amount.Reinforcing angle is arranged at the intermediate position of angle steel skeleton.1 long 900mm of chamber, width 900mm, high 1200mm.Angle steel skeleton
It is welded by 8mm thickness angle steel, 8mm steel plates are welded with angle steel skeleton, and 12 thickness of organic glass is 10mm, is adopted with angle steel skeleton
It is pasted with A grades of glue sealings, it is respectively 700mm that drain bar is wide by 4 block lengths, and the preferable plank composition of the water penetration that thickness is 10mm is having
The lower end of machine glass respectively sets the osculum 15 of a diameter of 10mm.
This system further includes displacement sensor 5, and displacement sensor 5 is fixed on the upper surface of composite foundation.
This system further includes foil gauge 2, and foil gauge 2 is affixed on the outer surface of composite foundation.
The course of work of the CYCLIC LOADING system of pile-soil interaction power in the construction of this test foundation construction：It is filled in chamber 1
It fills out and tests the soil body used, embedding test pile basic model 4 in the soil body can carry out single pile, a clump of piles, bucket foundation and pile foundation
Model test, the different location of threaded post 12 corresponds to different load amplitudes, the different stalls of motor 10 on wheel disc 11 in experiment
Corresponding different load cycle-index.When vertical CYCLIC LOADING model test, the steel wire rope one end on 9 right side of spring connects wheel disc 11
On threaded post 12 be connected with counterweight load bar 8, according to design cycle amplitude on counterweight load bar 8 a certain size weight of counterweight
Code, then adjusting wheel disc 11 keeps the registration of pull pressure sensor 7 and counterweight identical as 8 weight of counterweight load bar, at this moment pile foundation
4 top loading of model load is zero, and loading frequency is then arranged, starts motor 10, and the weight of counterweight and counterweight load bar 8 is pile foundation
The cyclic load amplitude that model 4 pushes up when experiment, is connect by collector with the sensor of pile foundation model 4, and with computer company
It connects, you can 4 load metamorphism data of pile foundation model during the vertical CYCLIC LOADING of instant recording.When horizontal cyclic load test, neck
It takes steel wire rope one end to bypass horizontal cyclic load fixed pulley 3, by being connected at the top of pull pressure sensor 7 and pile foundation, follows
Ring loads amplitude design, and data acquisition principle is identical as vertical cyclic loading test.When bidirectional circulating load test, horizontal cyclic
The same position of the wire rope rope and the same threaded post 12 of load and vertical CYCLIC LOADING, remaining requirement are followed according to level respectively
Ring loads and the setting of vertical CYCLIC LOADING, the design of CYCLIC LOADING amplitude, data acquisition principle and horizontal, vertical cyclic loading test
It is identical.When horizontal direction difference angle cyclic loading test, CYCLIC LOADING device and horizontal cyclic load corollary apparatus A are located at admittedly
Due to the right side of chamber 1, CYCLIC LOADING device and horizontal cyclic load corollary apparatus B according to angle beta（β is pedestal A13 and stake
The angle of the line and pedestal B14 and the line d of pile foundation on basis, and 0o<β<180o）It places, remaining is required according to horizontal single-headed
CYCLIC LOADING, the design of CYCLIC LOADING amplitude, data acquisition principle are identical as horizontal single-headed cyclic loading test.
Practicality can be understood and used the above description of the embodiments is intended to facilitate those skilled in the art
It is novel.Person skilled in the art obviously easily can make various modifications to these embodiments, and illustrating herein
General Principle be applied in other embodiment without having to go through creative labor.Therefore, the utility model is not limited to above-mentioned
Embodiment, those skilled in the art's announcement according to the present utility model, do not depart from improvement that the utility model scope is made and
Modification should be all within the protection scope of the utility model.
Claims (5)
1. testing the CYCLIC LOADING system of pile-soil interaction power in foundation construction construction, which is characterized in that loaded including cyclic load
Device, chamber（1）, drain control unit, vertical CYCLIC LOADING corollary apparatus, horizontal cyclic load corollary apparatus A and level
CYCLIC LOADING corollary apparatus B；
The cyclic load loading device includes pedestal A（13）, pedestal B（14）, motor（10）, wheel disc（11）, threaded post（12）
With CYCLIC LOADING supporting rack（6）；Motor（10）It is separately fixed at pedestal A（13）With pedestal B（14）On, wheel disc（11）It is mounted on
Motor（10）On, threaded post（12）It twists solid in wheel disc（11）On, pedestal A（13）With pedestal B（14）It is respectively provided at CYCLIC LOADING use
Fixed pulley（3）The left and right sides of holder；
The chamber（1）The soil body used is tested for loading, tests embedding pile foundation model in the soil body used（4）；
The drain control unit includes chamber（1）The drain bar of inner surface and chamber（1）The preset row in surrounding lower end
Water hole（15）；
The vertical CYCLIC LOADING corollary apparatus includes spring（9）, fixed pulley（3）, pull pressure sensor（7）With counterweight load bar
（8）, when carrying out vertical CYCLIC LOADING simulation test, spring（9）Both ends connecting steel wire ropes, steel wire rope one end directly on wheel disc
Threaded post（12）Connection, the other end bypass fixed pulley（3）, pass through pull pressure sensor（7）With counterweight load bar（8）Vertical phase
Even；
The horizontal cyclic load corollary apparatus A includes spring（9）, fixed pulley（3）, pull pressure sensor（7）；Spring（9）Two
Connecting steel wire ropes are held, steel wire rope one end is directly and wheel disc（11）On threaded post（12）Connection, the other end bypass fixed pulley（3）,
Pass through pull pressure sensor（7）With pile foundation model（4）Top level be connected.
2. the CYCLIC LOADING system of pile-soil interaction power, feature exist in test foundation construction construction according to claim 1
In pedestal A（13）Including by motor（10）It is fixed on pedestal A（13）Positioning screw hole, level board, cross bar support and montant branch
Support, pedestal, level board, support and set screw are made of Steel material；Pedestal B（14）Including by motor（10）It is fixed on pedestal
B（14）Positioning screw hole, level board, cross bar support and montant support, pedestal, level board, support and set screw use steel
Material makes；Wheel disc（11）Including fixed thread column（12）Positioning screw hole.
3. the CYCLIC LOADING system of pile-soil interaction power, feature exist in test foundation construction construction according to claim 1
In CYCLIC LOADING supporting rack（6）Including stand on four supporting legs on ground, four cross bars for being fixed on four supporting leg lower ends,
It is fixed on four braces, the CYCLIC LOADING fixed pulley of four supporting leg upper ends（3）, diagonal brace is equipped between cross bar and montant.
4. the CYCLIC LOADING system of pile-soil interaction power, feature exist in test foundation construction construction according to claim 1
In chamber（1）Including angle steel skeleton, organic glass and reinforcing angle, the left and right two sides of angle steel skeleton is sealed by organic glass
Molding, reinforcing angle are arranged at the intermediate position of angle steel skeleton.
5. the CYCLIC LOADING system of pile-soil interaction power, feature exist in test foundation construction construction according to claim 1
In further including displacement sensor（5）, displacement sensor（5）It is fixed on the upper surface of composite foundation；It further include foil gauge（2）, answer
Become piece（2）It is affixed on the outer surface of composite foundation.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720836225.XU CN207662747U (en) | 2017-07-11 | 2017-07-11 | Test the CYCLIC LOADING system of pile-soil interaction power in foundation construction construction |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201720836225.XU CN207662747U (en) | 2017-07-11 | 2017-07-11 | Test the CYCLIC LOADING system of pile-soil interaction power in foundation construction construction |
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| Publication Number | Publication Date |
|---|---|
| CN207662747U true CN207662747U (en) | 2018-07-27 |
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| CN201720836225.XU Expired - Fee Related CN207662747U (en) | 2017-07-11 | 2017-07-11 | Test the CYCLIC LOADING system of pile-soil interaction power in foundation construction construction |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109297826A (en) * | 2018-12-10 | 2019-02-01 | 中交第三航务工程局有限公司 | A kind of plate test loading system of tension leg platform (TLP) tendon connector |
| CN109387434A (en) * | 2018-10-30 | 2019-02-26 | 中国船舶重工集团公司第七〇九研究所 | A kind of loading test device of pipeline damping element |
| CN109959574A (en) * | 2019-03-21 | 2019-07-02 | 上海海事大学 | A small multi-working condition rope wear testing machine and working method |
| CN113529819A (en) * | 2021-07-16 | 2021-10-22 | 天津大学 | Test device for researching vertical settlement and deformation behaviors of pile under horizontal cyclic load |
| CN114635456A (en) * | 2022-04-24 | 2022-06-17 | 江苏道达风电设备科技有限公司 | Composite cylinder type foundation anti-overturning model based on site and test method thereof |
| CN114643084A (en) * | 2022-03-25 | 2022-06-21 | 山东交通学院 | Annular shunting accelerated loading environment cabin |
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- 2017-07-11 CN CN201720836225.XU patent/CN207662747U/en not_active Expired - Fee Related
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109387434A (en) * | 2018-10-30 | 2019-02-26 | 中国船舶重工集团公司第七〇九研究所 | A kind of loading test device of pipeline damping element |
| CN109387434B (en) * | 2018-10-30 | 2024-03-29 | 中国船舶重工集团公司第七一九研究所 | Loading testing device for pipeline vibration reduction element |
| CN109297826A (en) * | 2018-12-10 | 2019-02-01 | 中交第三航务工程局有限公司 | A kind of plate test loading system of tension leg platform (TLP) tendon connector |
| CN109959574A (en) * | 2019-03-21 | 2019-07-02 | 上海海事大学 | A small multi-working condition rope wear testing machine and working method |
| CN113529819A (en) * | 2021-07-16 | 2021-10-22 | 天津大学 | Test device for researching vertical settlement and deformation behaviors of pile under horizontal cyclic load |
| CN114643084A (en) * | 2022-03-25 | 2022-06-21 | 山东交通学院 | Annular shunting accelerated loading environment cabin |
| CN114643084B (en) * | 2022-03-25 | 2023-06-06 | 山东交通学院 | Annular shunt accelerated loading environment chamber |
| CN114635456A (en) * | 2022-04-24 | 2022-06-17 | 江苏道达风电设备科技有限公司 | Composite cylinder type foundation anti-overturning model based on site and test method thereof |
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Granted publication date: 20180727 Termination date: 20200711 |
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| CF01 | Termination of patent right due to non-payment of annual fee |